Doulton® Biotect® Ultra SI (2505)

To target the effects of limescale in your water, the Biotect Ultra SI may be your ideal solution. Compatible with Doulton-branded under sink and tap-mounted countertop water filter systems (Kingfisher, HIP DUO and HIP TRIO systems), it has a ceramic exterior with an activated carbon core and uses a limescale-inhibiting media to reduce limescale deposits on your appliances and metal surfaces in… product details